Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Atomic memslot updates for KVM (Emanuele, David)
* Always send errors to logfile when daemonized (Greg)
* Add support for IDE CompactFlash card (Lubomir)
* First round of build system cleanups (myself)
* First round of feature removals (myself)
* Reduce "qemu/accel.h" inclusion (Philippe)

# gpg: Signature made Thu 05 Jan 2023 23:51:09 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
  i386: SGX: remove deprecated member of SGXInfo
  target/i386: Add SGX aex-notify and EDECCSSA support
  util: remove support -chardev tty and -chardev parport
  util: remove support for hex numbers with a scaling suffix
  KVM: remove support for kernel-irqchip=off
  docs: do not talk about past removal as happening in the future
  meson: accept relative symlinks in "meson introspect --installed" data
  meson: cleanup compiler detection
  meson: support meson 0.64 -Doptimization=plain
  configure: test all warnings
  tests/qapi-schema: remove Meson workaround
  meson: cleanup dummy-cpus.c rules
  meson: tweak hardening options for Windows
  configure: remove backwards-compatibility and obsolete options
  configure: preserve qemu-ga variables
  configure: cleanup $cpu tests
  configure: remove dead function
  configure: remove useless write_c_skeleton
  ide: Add "ide-cf" driver, a CompactFlash card
  ide: Add 8-bit data mode
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 65 insertions, 10 deletions

diff --git a/hw/ide/core.c b/hw/ide/core.c
index 39afdc0..5d10393 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -1648,6 +1648,13 @@ static bool cmd_set_features(IDEState *s, uint8_t cmd)
 
     /* XXX: valid for CDROM ? */
     switch (s->feature) {
+    case 0x01: /* 8-bit I/O enable (CompactFlash) */
+    case 0x81: /* 8-bit I/O disable (CompactFlash) */
+        if (s->drive_kind != IDE_CFATA) {
+            goto abort_cmd;
+        }
+        s->io8 = !(s->feature & 0x80);
+        return true;
     case 0x02: /* write cache enable */
         blk_set_enable_write_cache(s->blk, true);
         identify_data = (uint16_t *)s->identify_data;
@@ -2374,12 +2381,20 @@ void ide_data_writew(void *opaque, uint32_t addr, uint32_t val)
     }
 
     p = s->data_ptr;
-    if (p + 2 > s->data_end) {
-        return;
-    }
+    if (s->io8) {
+        if (p + 1 > s->data_end) {
+            return;
+        }
+
+        *p++ = val;
+    } else {
+        if (p + 2 > s->data_end) {
+            return;
+        }
 
-    *(uint16_t *)p = le16_to_cpu(val);
-    p += 2;
+        *(uint16_t *)p = le16_to_cpu(val);
+        p += 2;
+    }
     s->data_ptr = p;
     if (p >= s->data_end) {
         s->status &= ~DRQ_STAT;
@@ -2401,12 +2416,20 @@ uint32_t ide_data_readw(void *opaque, uint32_t addr)
     }
 
     p = s->data_ptr;
-    if (p + 2 > s->data_end) {
-        return 0;
-    }
+    if (s->io8) {
+        if (p + 1 > s->data_end) {
+            return 0;
+        }
 
-    ret = cpu_to_le16(*(uint16_t *)p);
-    p += 2;
+        ret = *p++;
+    } else {
+        if (p + 2 > s->data_end) {
+            return 0;
+        }
+
+        ret = cpu_to_le16(*(uint16_t *)p);
+        p += 2;
+    }
     s->data_ptr = p;
     if (p >= s->data_end) {
         s->status &= ~DRQ_STAT;
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index 618045b..6f6c746 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -283,6 +283,11 @@ static void ide_cd_realize(IDEDevice *dev, Error **errp)
     ide_dev_initfn(dev, IDE_CD, errp);
 }
 
+static void ide_cf_realize(IDEDevice *dev, Error **errp)
+{
+    ide_dev_initfn(dev, IDE_CFATA, errp);
+}
+
 #define DEFINE_IDE_DEV_PROPERTIES()                     \
     DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf),        \
     DEFINE_BLOCK_ERROR_PROPERTIES(IDEDrive, dev.conf),  \
@@ -341,6 +346,32 @@ static const TypeInfo ide_cd_info = {
     .class_init    = ide_cd_class_init,
 };
 
+static Property ide_cf_properties[] = {
+    DEFINE_IDE_DEV_PROPERTIES(),
+    DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf),
+    DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans",
+                IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void ide_cf_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
+
+    k->realize  = ide_cf_realize;
+    dc->fw_name = "drive";
+    dc->desc    = "virtual CompactFlash card";
+    device_class_set_props(dc, ide_cf_properties);
+}
+
+static const TypeInfo ide_cf_info = {
+    .name          = "ide-cf",
+    .parent        = TYPE_IDE_DEVICE,
+    .instance_size = sizeof(IDEDrive),
+    .class_init    = ide_cf_class_init,
+};
+
 static void ide_device_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
@@ -365,6 +396,7 @@ static void ide_register_types(void)
     type_register_static(&ide_bus_info);
     type_register_static(&ide_hd_info);
     type_register_static(&ide_cd_info);
+    type_register_static(&ide_cf_info);
     type_register_static(&ide_device_type_info);
 }